Even if the healing agent adds 50% to the concrete cost, this makes up just 1-2% of the total construction cost.

BBC: Key test for re-healable concrete

Last-hired, first-fired agreements are not debt, but they are contracts which cannot be cleared and depending on the strength of the collective bargaining agent, have a high cost of breach.

FORBES: NGDP in the Long Run and Economic Plasticity

That is, today the company is rolling out a low-cost version of its intelligent virtual agent, affectionately-dubbed Sarah by some of the institutions that use it.

FORBES: It's the Attack of the Sales Bots

I've gone along with the suggestions of the stager my real-estate agent chose because she was kind, tactful and well-respected and because my agent graciously offered to pick up the cost.

WSJ: How Much Staging Is Too Much?--WSJ House Talk

Alternatively, you could ask a local real-estate agent, builder, contractor or building association for the average rebuilding cost per square foot in your area or pay for an estimate from the websites HM Facts or Accucoverage.

FORBES: 4 Costly Homeowner's Insurance Mistakes to Avoid

If your employer participates, your travel management company or business travel agent can likely calculate how much it will cost to offset the carbon emissions from your flight.

BBC: Business travel gives back

In France, Italy, Spain and Belgium the cost of selling one house and buying another (estate-agent fees, stamp duty and legal fees) often amounts to more than 15% of the price of a home.

ECONOMIST: When home is a prison

It is possible to handle the letting yourself, but if you do call in a managing agent, it is likely to cost about 15% of your rental income.

BBC: Buy-to-let - the pros and cons

If your agent knows the local rental market, he or she will be comfortable telling you what it would cost to rent equivalent housing nearby.

FORBES